A new posting from New Hampshire Garden Solutions
We’ve had nights that have been more than cold enough to make snow and most of our ski slopes plan on being open by Thanksgiving day (Nov. 24), so last Sunday I was off to Walpole and the High Blue Trail to see if I could sneak a peek across the Connecticut River valley to see if the slopes were white on Stratton Mountain. Warm days after a freeze mean Indian summer, and it was a glorious Indian summer day for a walk; warm and sunny, but with a chance of showers.
I stopped to look at some black knot disease on a young black cherry. It is caused by the fungus Apiosporina morbosa which can also attack plums, peaches, and apricots. Spores from the fungus can be spread by rain or wind and typically infect trees from April through June on new growth. Infected stems swell up and produce…
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